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what is the relationship between bonding and lone pairs
repulsion
what repulsion is stronger, lone-lone or bonding-bonding
lone-lone
shape: 2 bonding pairs
linear
linear bond angle
180
shape: 3 bonding
trigonal planar
trigonal planar bonds angle
120
shape: 4 bonding
tetrahedral
tetrahedral bonds angle
109.5
shape: 3 bonding, 1 lone
pyramidal
pyramidal bond angle
107
shape: 2 bonding, 2 lone
V or bent shape
V or bent shape bond angles
104.5
shape: 5 bonding
trigonal bypyramidal
trigonal by pyramidal bond angles
120 & 90
shape: 4 bonding, 1 lone
modified trigonal bypyramidal
modified trigonal bypyramidal bond angles
118 & 89
shape: 3 bonding, 2 lone
T shaped
T shaped bond angle
86
shape: 2 bonding, 3 lone
linear
linear (2bp, 3lp) bond angle
180
shape: 6 bonding
octahedral
octahedral bond angle
90
shape: 4 bonding, 2 lone
square planar
square planar bond angle
90
Note 
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